Can opener



FIG. 1 is a front elevational view of a can opener showing our newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a right side elevational view thereof.

The ornamental design for a can opener, substantially as shown anddescribed.